Audacity Forum

There was a recent report of a similar problem when using pulseaudio's loopback module: http://forum.audacityteam.org/viewtopic.php?f=18&t=59705 Do you have that module loaded? If you unload it does the hiss stop? The module is loaded by default on Ubuntu 11.04, yes. Removing it didn't help. I did ...

I have a similar issue here, except it doesn't involve recording, only playback. Ubuntu 11.04 AMD64 default install, Audacity 1.3.13-beta, PulseAudio over ALSA. My hardware includes a PCI Audigy 2 ZS. Apart from PulseAudio occasionally crashing out on the card (rmmod snd_emu10k1_synth, and snd_emu10...